[1a_user]

Other considerations aside, he says the robot is an entry for Pi Wars 2022.

The Pi Wars rules state:

"The core controller of the robot should be a Raspberry Pi. This includes all microcomputer models of the Pi (such as the Pi 3, Pi 4, Pi Zero, Compute Module) and also the Raspberry Pi Pico."

and

"Additional Microcontrollers, such as Arduinos, micro:bits etc may be used on the robot but the Raspberry Pi must be in overall control"

https://piwars.org/2022-competition/general-rules/